From: Lukas Hejtmanek <xhejtman@mail.muni.cz>
To: linux-kernel@vger.kernel.org
Subject: i830 agpgart oddities
Date: Wed, 21 Jan 2004 15:27:28 +0100 [thread overview]
Message-ID: <20040121142728.GC1499@mail.muni.cz> (raw)
Hello,
does anyone have an idea about following odd reset?
I've tried suspend-to-disk. If I'm using agpgart and X server then resume simply
resets whole system (no oops).
If I change resume so that it restores pages from higher addresses to lower then
it is all ok.
If I start restoring at 0xc0000000 and ending at 0xcee00000 then it resets at
about 0xcb8ab000. If I start restoring at 0xcee00000 down to 0xc0000000 then it
is ok and system is back ok as well.
I have no idea why it depends on order of pages while interrupts are disabled
and I'm only copying memory pages.
--
Lukáš Hejtmánek
reply other threads:[~2004-01-21 14:27 UTC|newest]
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